body {
    /* min-width: 750px; */
    width: 100vw;
}

* {
    padding: 0rem;
    margin: 0rem;
}

html {
    font-size: 10mm;
}

header {
    width: 100vw;
    height: 1.6rem;
    position: fixed;
    top: 0rem;
    font-size: 18px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgb(196, 195, 193);
    z-index: 200;
}

header div{
    width: 25px;
    height: 25px;
    /* background-color: wheat */
    margin-left: 10px;
}
header div img{
    width: 25px;
    height: 25px;
}
header span {
    /* // border: 1px solid red; */
    /* // display: inline-block; */
    height: 1.0667rem;
    text-align: center;
    line-height: 1.0667rem;
    margin-left: 10px;
}

.main {
    position: relative;
}

.tips {
    position: absolute;
    font-size: 15px;
    color: rgb(255, 255, 255);
    /* border: 1px double rgb(255, 0, 0); */
    background: linear-gradient(135deg,#24c6dc,#514a9d);
    opacity: 0.8;
    visibility: hidden;
    border-radius: .5333rem;
    padding: .15rem .3rem;
    top: 35%;
    left: 50%;
    z-index: 100;
    transform: translateX(-50%);
}
.active{
    visibility: visible;
}